﻿Rostro-carinate 
  Flint 
  Implements 
  and 
  Allied 
  For 
  ms. 
  347 
  

  

  Post. 
  

  

  Fig. 
  15. 
  — 
  Ventral 
  aspect 
  of 
  the 
  " 
  Marclesham 
  Jack-plane." 
  Drawn 
  of 
  the 
  actual 
  size. 
  

   Ant., 
  anterior 
  margin 
  (apparently 
  that 
  which 
  was 
  used 
  as 
  a 
  cutting 
  edge 
  when 
  the 
  

   implement 
  was 
  pushed 
  forward 
  in 
  the 
  manner 
  of 
  a 
  carpenter's 
  plane) 
  ; 
  Post., 
  

   posterior 
  margin. 
  The 
  formation 
  of 
  this 
  ventral 
  plane 
  by 
  one 
  large 
  fracture, 
  from 
  

   the 
  edges 
  of 
  which 
  a 
  few 
  relatively 
  small 
  " 
  trimming 
  " 
  flakes 
  have 
  been 
  removed, 
  is 
  

   evident. 
  

  

  